Pleasantville, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.6 °C (low) to 15.6 °C (high). Annual precipitation averages 938 Millimeters. Pleasantville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.4 °C | -0.7 °C | 25.15 mm |
| February | -8.3 °C | 1.8 °C | 35.31 mm |
| March | -2.3 °C | 9 °C | 51.82 mm |
| April | 4 °C | 16.4 °C | 100.33 mm |
| May | 10.7 °C | 21.9 °C | 131.32 mm |
| June | 16.4 °C | 27.3 °C | 134.37 mm |
| July | 18.6 °C | 29.4 °C | 112.78 mm |
| August | 17.1 °C | 28.4 °C | 107.44 mm |
| September | 12.2 °C | 24.9 °C | 92.71 mm |
| October | 5.4 °C | 17.7 °C | 65.28 mm |
| November | -1.3 °C | 9.2 °C | 46.48 mm |
| December | -7.2 °C | 2.2 °C | 35.05 mm |
| Annual | 4.6 °C | 15.6 °C | 938.04 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |